Senior JavaScript Developer

Job Description

Title: Senior JavaScript Developer

Company Name: BDTASK

Vacancy: 5

Age: At least 23 years

Job Location: Dhaka (Khilkhet)

Salary: Negotiable

Experience:

• 5 to 10 years
• The applicants should have experience in the following business area(s): Software Company,IT Enabled Service

• Bachelor of Science (BSc) in Computer Science & Engineering
• Bachelor of Computer Application (BCA) in Computer Applications
• Master of Science (MSc) in Computer Science & Engineering

• 5 to 10 years
• The applicants should have experience in the following business area(s): Software Company,IT Enabled Service

• Age At least 23 years
• Only Male

Job Summary:

We are looking for a highly skilled and experienced Senior JavaScript Developer to join our dynamic FinTech engineering team. You’ll play a key role in designing and developing innovative financial solutions using modern JavaScript frameworks like React.js and Next.js. This is a senior-level position that requires strong technical expertise, leadership capability, and a passion for creating seamless, secure, and efficient user experiences in financial web applications.

Key Job Responsibilities:

• Develop and maintain web-based front-end applications using React.js and Next.js.
• Build responsive and intuitive UI/UX interfaces for financial dashboards, trading platforms, or payment systems.
• Collaborate closely with backend developers to integrate RESTful and GraphQL APIs.
• Ensure the application is highly secure, scalable, and performs under high concurrency.
• Write unit, integration, and performance tests using tools like Jest, Cypress, or Playwright.
• Implement modern authentication flows (JWT, OAuth2) and ensure data security and compliance.
• Use Git for version control, participate in code reviews, and enforce code quality standards.
• Mentor junior developers, contribute to architectural decisions, and help scale the front-end codebase.
• Participate in Agile sprints, daily stand-ups, and product planning sessions.